Power transmission line strain clamp group

Abstract

The utility model discloses a power transmission line strain clamp group, which comprises a main strain clamp and an auxiliary strain clamp, the main strain clamp comprises a first wire clamping rod, an inverted trapezoidal drainage plate is installed at the inner end of the first wire clamping rod, clamping plates are vertically installed at the two ends of the inverted trapezoidal drainage plate along the length direction, the top ends of the clamping plates are bent inwards, and the top ends of the clamping plates are bent inwards. A dovetail-shaped clamping groove is formed between the two clamping plates, the auxiliary wire clamp comprises a second wire clamping rod, an inverted trapezoidal clamping block is installed at the inner end of the second wire clamping rod, and the inverted trapezoidal clamping block is inserted into the dovetail-shaped clamping groove in a matched mode; the beneficial effects of the utility model are that the main tension wire clamp and the auxiliary tension wire are simple in structure and simple in assembly and disassembly processes, and the connection points of all parts are precisely attached and no large gap is generated during use, thereby preventing the tension wire clamp from generating high temperature and ensuring the normal and safe operation of a power transmission line.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of electric power construction production, especially relates to a power transmission line strain clamp group. BACKGROUND

[0002] Strain clamp refers to the hardware for fixing conductor to bear the tension of the conductor and hanging the conductor to strain clamp group or tower.

[0003] The strain clamp commonly used in prior art has perfect function, but its composition structure is relatively complex, and assembling and disassembling are cumbersome, and there are many components and movable connection points, in the long-term use, the movable connection points of the components of the strain clamp are affected by external force and have large gaps, which causes high temperature at the gaps of the strain clamp in the process of conduction, and finally causes the strain clamp to be burnt out, thereby affecting the normal and safe operation of the power transmission line. SUMMARY

[0004] The utility model discloses a kind of power transmission line strain clamp groups, and overcome the deficiency of above-mentioned prior art, effectively solve the existing problem that existing strain clamp generates high temperature and is easy to burn.

[0005] The utility model discloses a kind of power transmission line strain clamp groups, including main strain clamp and auxiliary strain clamp, the main strain clamp includes first wire clamp rod, and inverted trapezoidal drainage plate is installed at the inner end of the first wire clamp rod, and clamping plate is vertically installed at the both ends of the inverted trapezoidal drainage plate along length direction, the top of the clamping plate is bent inward, dovetail-shaped clamping slot is formed between two clamping plates, the auxiliary strain clamp includes second wire clamp rod, and inverted trapezoidal clamping block is installed at the inner end of the second wire clamp rod, the inverted trapezoidal clamping block is inserted in dovetail-shaped clamping slot matching.

[0006] Further, the inverted trapezoidal drainage plate is bent.

[0007] Further, the second wire clamp rod and the inverted trapezoidal clamping block are fixedly connected by first bolt.

[0008] Further, the inverted trapezoidal clamping block and the inverted trapezoidal drainage plate are fixedly connected by second bolt.

[0009] The utility model has the advantages that main strain clamp and auxiliary strain structure are simple, and assembling and disassembling process is simple, and when using, the connecting point of each component is precisely fitted without large gap, so that high temperature of strain clamp is avoided, and the normal and safe operation of power transmission line is guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the front view of combined use state of the utility model;

[0011] Fig. 2 is a left view of the combined use state of the utility model;

[0012] Fig. 3 is a whole structure diagram of the utility model;

[0013] Fig. 4 is a partial sectional view of the inverted trapezoidal drainage plate in the utility model;

[0014] In the figure, 1 is a first wire clamping rod, 2 is an inverted trapezoidal drainage plate, 3 is a clamping plate, 4 is a second wire clamping rod, 5 is an inverted trapezoidal clamping block, 6 is a first bolt, 7 is a second bolt, 8 is a connecting fitting, 9 is a main cable, and 10 is an auxiliary cable. DETAILED DESCRIPTION

[0015] In order to have a clearer understanding of the technical features, objectives and effects of the utility model, the specific implementation mode of the utility model will be explained by referring to the drawings:

[0016] As shown in Figs. 1 to 4 A power transmission line strain clamp set, which comprises a main strain clamp and an auxiliary strain clamp, the main strain clamp comprises a first wire clamping rod 1, an inverted trapezoidal drainage plate 2 is installed at the inner end of the first wire clamping rod 1, clamping plates 3 are vertically installed at both ends of the inverted trapezoidal drainage plate 2 along the length direction, the top end of each clamping plate 3 is inwardly bent, a dovetail-shaped clamping groove is formed between the two clamping plates 3, the auxiliary strain clamp comprises a second wire clamping rod 4, an inverted trapezoidal clamping block 5 is installed at the inner end of the second wire clamping rod 4, the inverted trapezoidal clamping block 5 is inserted into the dovetail-shaped clamping groove in a matching manner, the inverted trapezoidal drainage plate 2 is in a bent shape, the second wire clamping rod 4 and the inverted trapezoidal clamping block 5 are fixedly connected through a first bolt 6, and the inverted trapezoidal clamping block 5 and the inverted trapezoidal drainage plate 2 are fixedly connected through a second bolt 7.

[0017] Specifically, the main strain clamp and the auxiliary strain clamp are simple in structure, simple to assemble and disassemble, and no large gap is generated at the connecting points of the components during use, so that high temperature of the strain clamp is avoided.

[0018] In actual use, the main cable 9 is inserted into the hollow cavity of the outer end of the first wire clamp rod 1, and the main cable 9 is tightened with the first wire clamp rod 1 to reach the designed tension requirement by using a wire tightener, the inverted trapezoidal drainage plate 2 is installed on the inner end of the first wire clamp rod 1, at this time, the connecting hardware 8 matched in the prior art is connected with the inner end of the first wire clamp rod 1, and the outer end of the connecting hardware 8 is connected and fixed with the power transmission tower body, at this time, the inverted trapezoidal clamping block 5 is placed obliquely above the clamping plate 3, and the bottom surface of the inverted trapezoidal clamping block 5 is attached to the inclined surface of the inverted trapezoidal drainage plate 2, at this time, the inverted trapezoidal clamping block 5 is slid downward to be matched and inserted into the dovetail-shaped clamping slot formed between the two clamping plates 3, and the top end of the two clamping plates 3 is bent inward to prevent the inverted trapezoidal clamping block 5 from moving out of the dovetail-shaped clamping slot, at this time, the main tension clamp and the auxiliary tension clamp have completed preliminary assembly and fixation, the inverted trapezoidal drainage plate 2 and the inverted trapezoidal clamping block 5 are further fixed by the second bolt 7, so that the connection stability between the components is further improved, at this time, the main tension clamp and the auxiliary tension clamp have completed final assembly, the auxiliary cable 10 is inserted into the hollow cavity of the outer end of the second wire clamp rod 4, and the auxiliary cable 10 is tightened with the second wire clamp rod 2 by using a wire tightener, and the outer end of the auxiliary cable 10 is connected and fixed with the opposite auxiliary tension clamp group arranged in the same way, the main tension clamp and the auxiliary tension clamp are made of conductive materials, so that the current transmission between the main cable 9 and the auxiliary cable 10 is completed.

[0019] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A tension clamp assembly for transmission lines, characterized in that: The utility model relates to a wire clamp, which comprises a main wire clamp and a secondary wire clamp, the main wire clamp comprises a first wire clamp rod (1), an inverted trapezoidal drainage plate (2) is installed at the inner end of the first wire clamp rod (1), clamping plates (3) are vertically installed at both ends of the inverted trapezoidal drainage plate (2) along the length direction, the top end of the clamping plate (3) is inwardly bent, dovetail-shaped clamping slots are formed between the two clamping plates (3), the secondary wire clamp comprises a second wire clamp rod (4), an inverted trapezoidal clamping block (5) is installed at the inner end of the second wire clamp rod (4), the inverted trapezoidal clamping block (5) is matchedly inserted into the dovetail-shaped clamping slots.

2. A set of strain clamp components for a power transmission line according to claim 1, characterized in that: The inverted trapezoidal drainage plate (2) is in a bent shape.

3. A set of strain clamp components for a power transmission line according to claim 1, wherein: The second wire clamp rod (4) and the inverted trapezoidal clamping block (5) are fixedly connected through a first bolt (6).

4. A set of strain clamp components for a power transmission line according to claim 1, wherein: The inverted trapezoidal clamping block (5) and the inverted trapezoidal drainage plate (2) are fixedly connected through (7).

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